Toyota ZZT230 series, Repair Manual

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Dl-12
DIAGNOSTICS
ENGINE
7. ENGINE OPERATING CONDITION
NOTICE:
The
values given below for "Normal Condition" are
representative values, so a vehicle may still be normal even If Its value varies from those listed here. So do not decide
whether a
part
Is faulty
o
r not solely according to the "Nonnal Condition" here.
(a)
CARB m
a
n
da
t ed
signals.
TOYOTA hand-held tester display
FUEL SYS#l
CALC LOAD
COOLANT TEMP.
SHORT FT#1
LONG FT#1
ENGINE SPD
VEHICLESPD
IGN AOVANCE
INTAKE AIR
MAFIAFM
THROTTLE POS
025
B1,S1
02FT B1,S1
02S 81,52
Measurement Item
Fuel System BMk 1
OPEN: AiHuel ratio feedback stopped
CLOSED: Air-fuel ratio feedback operating
GalciJiator Load:
CUrrent
Intake
air volume as a proportion of max.
intake air volume
Engine Coolant Temp. Sensor Value
Short-term Fuel Trim Bank 1
Long-term Fuel Trim Bank 1
Engine
Speed
Vehicle Speed
Ignition Advance:
Ignition Timing of Cylinder No. 1
Intake
Air Temp. Sensor Value
Air Flow
Rate
Through Mass Air Flow Meter
Voltage Out p
u
t
of
Throttle Position Sensor
Calculated as a percentage:
O V --t O%, 5 V --t 100%
Voltage Output of Heated Oxygen Sensor
Bank 1, Sensor 1
Heated Oxygen Sensor Fuel Trim Bank
1 ,
Sensor 1
(Same as SHORT
FT
#1)
Voltage Outpot of Heated Oxygen Sensor
Bank 1 , Sensor 2
Normal Condition'
Idling after wafrr\ing up: CLOSED
Idling:
1ZZ-FE: 11.3- 16.0 %
2ZZ-GE: 9.1 -20.0%
Racing without
load
(2,500rpm):
1ZZ-FE: 12.3 - 1 7.9%
2ZZ-GE: 11.0-23.0%
After warming up: 80-95'C (176 - 203'F)
0
+
20%
0 :!: 20%
Idling:
1ZZ-FE: 650- 750 rpm
2ZZ-GE (MT): 750- 850 rpm
2ZZ-GE (AT): 700 -800 rpm
Vehicle Stopped: 0 kmlh (0 mph)
Idling: BTDC 10 - 18'
Equivalent to Ambient Temp.
Idling:
1ZZ-FE: 1.4-2.0 gm.lsec.
2ZZ-GE: 1.5- 5.0 gm/sec.
Racing without load (2,500 rpm):
1ZZ-FE: 5.4 - 7.9 gm/sec.
2ZZ-GE: 5.0- 15.0 gmtsec.
Throttle Fully Closed: 6 - 16%
Throttle Fully Open: 64- 98
o/o
Idling: 0.1 -0.9 V
0 ± 20%
Driving at 50 kmlh (31 mph): 0.1 -0.9 V
. .
. .
*: If
no
are speclftcally
stated for
"Idling", rt means the shrft lever Js at N or
P
pos1t1on, the A/C swrtch
is OFF and all accessory switches are OFF.
(b) TOYOTA Enhanced Signals.
TOYOTA
hand-held
tester display Measurement Item
Nonnal Condition·
MISFIRE RPM
Engine
RPM
for first misfire range Misfire 0: 0 rpm
MISFIRE LOAD
load for first misfire Misfire 0: 9